One of the biggest concerns you may have when You try to recover and try to fix iPhone Error 21 is whether your data is secure. It is a legitimate concern as many techniques out there may or definitely will cause data loss. That’s why we start the list with techniques that can guarantee there will be no data loss. To ensure this you can use the software is really easy to use and comfortable called Dr. fone–iOS system restore.
Your memories and data all precious and You don’t have to risk them. Dr. fone seems to put great emphasis on the preservation of data and thus is the recommended way to fix iPhone Error 21. Furthermore, comfort and Milli-purpose nature helps too.
Download application Dr Fone
Steps to fix iTunes error 21 with Dr. fone
1. Select the ‘ iOS ‘ recovery system
After launching the toolkit Dr. fone, you will find the ‘ iOS ‘ system restore. Click it
2. Connect your iPhone
Connect your iPhone via cable and let Dr. fone detects it. Click ‘ Start ‘ to continue the process.
Important: Please note that with fix iPhone stuck on Apple logo, iOS operating system on your iPhone will be updated to the latest version. And if the device iPhone jail-breaks out, it will be converted back to a State jail-broken or not.
3. Download firmware
Dr. fone will identify models of the iPhone and offers the latest iOS version for you to download. Just click ‘ Download ‘ and wait for the process to complete.
4. Fix iTunes error 21
After the download is complete, Dr. fone will automatically start fix iOS, except this time you won’t be bothered with iPhone error 21 message!